|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||42/7341 ; 42/734.2 ; 42/738.99 ; 42/743.9 ; 42/750.8|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 20 인용 특허 : 35|
Articles comprising a substrate and a polymeric desiccant either impregnated therein or coated thereon are disclosed as well as processes for their manufacture. The invention also contemplates a process for synthesizing a polymeric dessicant in particulate form for use as such or for use as a coating material for desiccant articles.
[ We claim:] [1.] A process for making a desiccant article for repeated cycles of water vapour absorption and desorption comprising the steps of:(a) preparing a polymerizable organic solution containing a polymerizable monomer selected from the group consisting of acrylic acid, methacrylic acid and itaconic acid in which up to 50% of the carboxyl groups are neutralized by treatment with a base, a homolytic reaction initiator, at least 0.1% by weight of a cross-polymerization agent and an organic solvent, said polymerizable organic solution containing les...